localism noun. ['lǝʊk(ǝ)lɪz(ǝ)m] E19.
[from LOCAL adjective + -ISM.]
1. Something characteristic of a particular locality; a local idiom, custom, etc. E19.
Scientific American Some of the varieties of speech are mere localisms.

2. Attachment to a locality, esp. to the place in which one lives; limitation of ideas, sympathies, and interests arising out of such attachment; preference for what is local; an instance of this state of mind. M19.
■ C. Lasch The will to build a better society.., along with traditions of localism, self-help, and community action.

[TahlilGaran] English Dictionary ▲